Working Student Business Controlling – Solar & Batteries (f/m/d)
Required skills
Job description
Ringhals AB posted this role. Below, we break down what it means for a working student in Berlin: your weekly hours, take-home pay and visa limits.
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Description provided by Ringhals AB
Within our Business Area Wind, we bring together expertise across wind, solar and battery storage to accelerate the energy transition. By combining these technologies, we ensure a reliable and sustainable energy system for the future. Together, we develop and operate renewable energy solutions that make a real difference.
Do you want to actively shape the energy transition while gaining hands-on experience in financial controlling?
As a Working Student in our Business Control team for Solar & Batteries, you will get a real insight into how financial processes support renewable energy projects — and how your work contributes to a more sustainable future. At Vattenfall, we believe: there is a way.
Your role
In this position, you support the controlling team in managing financial processes for renewable energy projects. You contribute to daily operations while gaining valuable insights into how financial decisions shape the energy transition.
Your main tasks
- Support procurement processes, especially invoice workflows
- Assist with billing and payment processes, including manual transactions
- Contribute to monthly closing activities and financial reporting
- Help keep daily controlling operations running smoothly
- Work closely with the Controlling Management Team and support ongoing projects
Qualifications
Your profile
You are currently studying in a relevant field and want to gain practical experience in finance within a purpose-driven industry. You enjoy working together with others and bring a careful and structured way of working.
- Enrolled in Business Administration, Economics, or a related field
- Master’s student (at the beginning of the program)
- Living in Hamburg or Berlin
- Spolid Excel skills; first experience with SAP is a plus
- Communicate well in English (written and spoken at least C1) and German language skills (A2–B1) is a plus
- Open-minded, collaborative, and eager to learn in an international environment
Additional Information
What We Offer
- The opportunity to actively contribute to the energy transition early in your career
- Hands-on experience in business controlling within the renewable energy sector
- Insight into financial processes at a leading European energy company
- A supportive, international environment where people learn from each other
- Flexible working hours that fit your studies
- The chance to grow, develop your skills, and take on meaningful responsibilities
Application process
We welcome your application in English no later than 01.10.2026.
Please apply via our website, as we cannot guarantee the processing of applications submitted via other channels.
For more information about the role, please contact: Sabrina Parsons [email protected]
At Vattenfall, we believe that diversity strengthens our company. We are committed to creating an inclusive workplace where everyone has equal opportunities, regardless of background, identity or experience.
The security of Vattenfall and its employees is essential. For that reason, a pre-employment screening will be part of your recruitment process. The screening is based on the role you will fulfill within Vattenfall. The screening will be performed by a third party, DISA.
We look forward to receiving your application!
Company Description
Vattenfall is one of Europe’s largest producers and retailers of electricity and heat. With around 20,000 employees, we are committed to enabling fossil-free living within one generation. Our work connects technology, nature and people — and every role contributes to powering a more sustainable future.
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Working student essentials
What this Finance working student role in Berlin means for you: the weekly-hours rules, the social-contribution perks, and what international students should check before applying.
Weekly hours
Working students may work up to 20 hours a week during the semester and full-time during the breaks. Staying within this keeps your student status and the Werkstudent benefits.
Working student rulesSocial contributions
Under the Werkstudentenprivileg you're exempt from health, care and unemployment insurance contributions — only pension insurance applies. That leaves more net pay than a regular job.
Check your insuranceInternational students
Non-EU students can work 140 full or 280 half days per year (raised from 120/240 in March 2024). A working student contract usually fits within this — confirm the exact limits printed on your residence permit.
Studying in Germany
